Home / 21,237,851.52-31,847,919.66-6,661,015.38

Finding the Fourth Proportional to 21,237,851.52, 31,847,919.66 and 6,661,015.38

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Solution

The fourth proportional to 21,237,851.52, 31,847,919.66 and 6,661,015.38 is: 9,988,744.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,237,851.52 : 31,847,919.66 = 6,661,015.38 : x
  2. Step 2: Convert to fraction form
    21,237,851.52/31,847,919.66 = 6,661,015.38/x
  3. Step 3: Cross multiply
    21,237,851.52x = 31,847,919.66 × 6,661,015.38
  4. Step 4: Simplify right side
    21,237,851.52x = 212,139,482,676,264.38
  5. Step 5: Solve for x
    x = 212,139,482,676,264.38/21,237,851.52
  6. Step 6: Final answer
    x = 9,988,744.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.